LB1946-E ON Semiconductor, LB1946-E Datasheet - Page 13

• Manufacturer Part Number: LB1946-E
• Description: 55T3131
• Manufacturer: ON Semiconductor
• Type: Stepper Motor Driverr

Specifications of LB1946-E

• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 1.5A
• Driver Case Style: DIP
• No. Of Pins: 28
• Operating Temperature Range: -20°C To +85°C
• Svhc: No SVHC (20-Jun-2011)
• Base Number: 1946
• Rohs Compliant: Yes
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 10 V to 45 V
• Supply Current: 37 mA
• Mounting Style: Through Hole
• Package / Case: DIP-28
• Operating Temperature: - 20 C to + 85 C
• Supply Voltage (min): 4.5 V
• Lead Free Status / Rohs Status: Details

E pin
Output current
CR pin
Output pin
Mix decay logic setting
CR voltage and MD pin voltage are compared to select dual-side chopping or upper-side chopping.
t on: Output on time
t off: Output off time
tm: Fast decay time in mix decay mode
tn: Noise cancellation time
When serial transmission data (D4, D10) is Low
MD pin setting:
CR voltage > MD pin voltage: dual-side chopping
CR voltage < MD pin voltage: upper-side chopping
5V V CC type: 1.6 to 3.9V
3.3V V CC type: 1.2 to 2.5V
MIX DECAY
tn
tm
Switching Waveform
Noise spike
t off
LB1946
t on
MD pin voltage level
No.7115-13/16
ILB01484